<?php
date_default_timezone_set('PRC');
var_dump(date('Y-m-d H:i:s'), date_default_timezone_get());

$str = 'https://care8.live800.com/live800/chatClient/chatbox.jsp?companyID=80028951&configID=286&info=userId%3D12977&remark=productId%3D7538';
var_dump(urldecode($str));
echo "<br/>\n";


var_dump(date('c', 1748221548));